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Updated: Dec 21, 2025

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
Published on: June 13, 2020
El Niño driven haze over the Southern Malaysian Peninsula and Borneo
Md Firoz Khan1, Ahmad Hazuwan Hamid2, Haasyimah Ab Rahim3
1Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia; School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, China; Institute of Ocean and Earth Environmental (IOES), University of Malaya, Kuala Lumpur 50603, Malaysia.
Abstract:
The Southeast Asian (SEA) region is no stranger to forest fires - the region has been suffering from severe air pollution (known locally as 'haze') as a result of these fires, for decades. The fires in SEA region are caused by a combination of natural (the El Niño weather pattern) and manmade (slash-and-burn and land clearing for plantations) factors. These fires cause the emissions of toxic aerosols and pollutants that can affect millions of people in the region. Thus, this study aims to identify the impact of the SEA haze on the Southern region of the Malaysian Peninsula and Borneo region of East Malaysia using the entire air quality observation data at surface level in 2015. Overall, the concentration of PM10 was about two-fold higher during the haze period compared to non-haze period. The concentrations of CO, flux of CO and flux of BC were aligned with PM10 during the entire observation period. The wind field and cluster of trajectory indicated that the Southern Malaysian Peninsula and Borneo were influenced mainly from the wildfires and the combustion of peat soil in the Indonesian Borneo. This study finds that wildfires from Borneo impacted the Southern Malaysian Borneo more seriously than that from Sumatra region.
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